CN102825151A - Ladder strip and expanding rod automatic locking device for pipe expander - Google Patents
Ladder strip and expanding rod automatic locking device for pipe expander Download PDFInfo
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- CN102825151A CN102825151A CN2012103374820A CN201210337482A CN102825151A CN 102825151 A CN102825151 A CN 102825151A CN 2012103374820 A CN2012103374820 A CN 2012103374820A CN 201210337482 A CN201210337482 A CN 201210337482A CN 102825151 A CN102825151 A CN 102825151A
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Abstract
The invention provides a ladder strip and expanding rod automatic locking device for a pipe expander. The device is provided with two groups of built-up plates and two groups of ladder strips, and is characterized in that the ladder strip and expanding rod automatic locking device also comprises magnetic locking cylinders controlled by PLCs (Programmable Logic Controllers) respectively arranged on each built-up plate or each ladder strip, and an expanding rod concentric locking control system, a ladder strip automatic lifting system and a ladder strip automatic locking system connected with respective sliding formworks. The device has the characteristics of safety, reliability, high automation degree and the like.
Description
Technical field
The present invention relates to the ladder bar and the expander roll forced locking device that use when electric tube expander in a kind of air-condition heat exchanger production line has the heat exchanger of ladder on the system top of expanding.
Background technology
Electric tube expander is a kind of equipment that must use in the air-condition heat exchanger production line; At present domestic traditional being used for expanded and made the electric tube expander that top has two rows or three row's ladder heat exchangers, and the locking of expander roll all is to rely on manually realization on the locking of the limes superiors position of its ladder bar and the ladder bar.Because vertical pipe expander equipment integral body than higher, reaches as high as 8.2 meters, comes manual locking ladder bar and expander roll by ascend operation, certainly will cause production efficiency low, and security incident very easily takes place.
Summary of the invention
Technical problem to be solved by this invention is to have according to the bloated system of the electric tube expander in the air-condition heat exchanger production line top arts demand of the heat exchanger of ladder; Provide a kind of production efficiency high, safe, reliable and easy-operating electric tube expander is with ladder bar and expander roll forced locking device.
The present invention still adopts the form of quadruplet gang form; Be gang form one, gang form two, be equivalent to the ladder bar one of gang form three and be equivalent to the ladder bar two of gang form four; Difference is: the automatic locking mechanism of expander roll on having increased by automatic hoisting mechanism, ladder bar lock dog mechanism and the template and the ladder bar of the ladder bar one of magnetic locking cylinder control and ladder bar two on its basis; So that be used for the accurate auto lock of automatically confirming ladder bar and expander roll position, realize the automation of motion of ladder bar and expander roll locking.
Fig. 1 in the present invention such as the accompanying drawing is to shown in Figure 10, and included parts mainly contain: plate supporting frame (1), contiguous block (2), two rod locking cylinders (3), base plate (4); Ladder bar one lift cylinder (5), ladder bar two lift cylinders (6), branching block (7), linear bearing (8), upper locking nut (9); Lower locking nut (10), ladder bar one (11), ladder bar two (12), connecting rod one (13), connecting rod two (14); Axle two (15), axle one (16), gang form one (17), twin-stage cylinder (18), lock dog seat (19); Lock dog cover plate (20), dead bolt (21), gang form two (22) refers to type locking cylinder one (23), gang form two supports one (24); Lock ring (25), rubber spring (26), gang form one sleiding form (27), gang form two sleiding forms (28), ladder bar one sleiding form (29); Ladder bar two sleiding forms (30), ladder bar one contiguous block one (31), ladder bar two contiguous blocks two (32), ladder bar one support two (33); Ladder bar two supports three (34) refer to type locking cylinder two (35), refer to type locking cylinder three (36), ladder bar one blind plate (37); Ladder bar one orifice plate (38), ladder bar one jam plate (39), ladder bar one frid (40), ladder bar two blind plates (41); Ladder bar two orifice plates (42), ladder bar two jam plates (43), ladder bar two frids (44), expander roll (45).
Gang form one (17) according to the invention is fixed in the front portion of plate supporting frame (1); The foot rest of said pair of rod locking cylinder (3) is fixing through base plate (4) and plate supporting frame (1), and the piston rod of locking cylinder (3) is connected with gang form one sleiding form (27) through two contiguous blocks (2) that are fixed in its both sides;
Gang form two (22) according to the invention is fixed in the rear portion of plate supporting frame (1); Said finger type locking cylinder one (23) is fixed on the gang form two (22) through gang form two supports one (24); Its piston rod directly is connected with gang form two sleiding forms (28), and the gas circuit of said finger type locking cylinder one (23) is connected with branching block (7);
Ladder bar one (11) according to the invention by ladder bar one blind plate (37), ladder bar one orifice plate (38), ladder bar one jam plate (39), lock ring (25), rubber spring (26), ladder bar one sleiding form (29), ladder bar one frid (40), refer to that type locking cylinder two (35), branching block (7), ladder bar one support two (33), ladder bar one contiguous block one (31), axle one (16), linear bearing (8), upper locking nut (9), lower locking nut (10), connecting rod one (13) and ladder bar one lift cylinder (5) form; Said ladder bar top-down assemble sequence of one (11) each template and gang form one (17), gang form two (22) are identical, that is: ladder bar one blind plate (37), ladder bar one orifice plate (38), ladder bar one jam plate (39), ladder bar one sleiding form (29), ladder bar one frid (40); Said lock ring (25) and rubber spring (26) are installed between ladder bar one orifice plate (38) and ladder bar one jam plate (39); Said ladder bar one sleiding form (29) is installed in the groove of ladder bar one frid (40); The middle part that said ladder bar one (11) hangs on plate supporting frame (1) through the axle one (16) that is fixed in its both sides, the axle one (16) of both sides penetrates the linear bearing (8) that is fixed in plate supporting frame (1); The two ends of said axle one (16) are fixed with upper locking nut (9) and lower locking nut (10) respectively; Said two connecting rods one (13) pass ladder bar one (11), and an end is fixed by nut, and the other end is connected with the piston rod of two ladder bar one lift cylinders (5); Said two ladder bar one lift cylinders (5) are fixed on the plate supporting frame (1) by end thread; Said finger type locking cylinder two (35) is installed on the ladder bar one (11) through ladder bar one support two (33), and its piston rod is connected with ladder bar one sleiding form (29) through ladder bar one contiguous block one (31).The gas circuit of said finger type locking cylinder two (35) is connected with branching block (7), and branching block (7) is used for that one road source of the gas is divided into several roads and offers different finger type cylinders in this effect of playing a multi-path joint.
Ladder bar two (12) according to the invention is by ladder bar two blind plates (41); Ladder bar two orifice plates (42); Ladder bar two jam plates (43); Lock ring (25); Rubber spring (26); Ladder bar two sleiding forms (30); Ladder bar two frids (44); Finger type locking cylinder three (36); Branching block (7); Ladder bar two supports three (34); Ladder bar two contiguous blocks two (32); Axle two (15); Linear bearing (8); Upper locking nut (9); Lower locking nut (10); Connecting rod two (14) and ladder bar two lift cylinders (6) are formed; Said ladder bar top-down assemble sequence of two (12) each templates and ladder bar one (11) are identical, that is: ladder bar two blind plates (41), ladder bar two orifice plates (42), ladder bar two jam plates (43), ladder bar two sleiding forms (30), ladder bar two frids (44); Said lock ring (25) and rubber spring (26) are installed between ladder bar two orifice plates (42) and ladder bar two jam plates (43); Said ladder bar two sleiding forms (30) are installed in the groove of ladder bar two frids (44); Said ladder bar two (12) hangs on the middle part of plate supporting frame (1) through the axle two (15) that is fixed in its both sides with ladder bar one (11) side by side, and the axle two (15) of both sides penetrates the linear bearing (8) that is fixed in plate supporting frame (1); The two ends of said axle two (15) are fixed with upper locking nut (9) and lower locking nut (10) respectively; Said two connecting rods two (14) pass ladder bar two (12), and an end is fixed by nut, and the other end is connected with the piston rod of two ladder bar two lift cylinders (6); Said two ladder bar two lift cylinders (6) are fixed on the plate supporting frame (1) by end thread; Said finger type locking cylinder three (36) is installed on the ladder bar two (12) through ladder bar two supports three (34), and its piston rod is connected with ladder bar two sleiding forms (30) through ladder bar two contiguous blocks two (32); The gas circuit of said finger type locking cylinder three (36) is connected with branching block (7).
Two lock dog mechanisms that are used to lock ladder bar one (11) and ladder bar two (12) according to the invention are made up of lock dog seat (19), lock dog cover plate (20), dead bolt (21) and twin-stage cylinder (18) respectively; Said two lock dog seats (19) are installed in the left and right sides of plate supporting frame (1) respectively, and two lock dog cover plates (20) are installed in respectively on two lock dog seats (19), and two dead bolts (21) are installed in respectively in the groove of two lock dog seats (19); The piston rod of said two twin-stage cylinders (18) is connected with interior two dead bolts (21) of two lock dog seats (19) respectively.
Expander roll according to the invention (45) is installed on gang form one (17), gang form two (22), ladder bar one (11), the ladder bar two (12), rely on artificial be inserted into respectively each template or ladder bar as shown in Figure 5 by in frid (a1), slide plate (a2), jam plate (a3), the common circular hole that forms of orifice plate (a4) institute.
Locked off-centre locked and locked with one heart (seeing Fig. 4, Fig. 5, Fig. 6, Fig. 9, Figure 10) two parts that comprise of said expander roll:
(1) eccentric locked.Eccentric lockedly realize the automatic whereabouts of (when expander roll locking is unclamped) expander roll (45) when being used to prevent to load and unload expander roll (45) by the off-centre operation of expander roll (45) and the lock ring (25) between each orifice plate and jam plate and rubber spring (26); The moving operation of eccentric locked armrest still, after expander roll inserted gang form, lock ring snapped in the off-centre operation place of expander roll under the effect of rubber spring, thereby expander roll is locked, when unloading expander roll, as long as expander roll can be unloaded expander roll towards any direction half-twist;
(2) locked with one heart.Concentric locked concentric ladder cylinder by expander roll (45) is that realize in the flat hole of minimum place of expander roll diameter and sleiding form, is used to prevent that expander roll from coming off owing to expander roll (45) rotates when expanding the system copper pipe; The gang form of tradition staged electric tube expander and the expander roll on the ladder bar all are that the moving off-centre operation of armrest is locked usually, and this invention has also realized being automatically locked with one heart of automatic control.During work; Confirm that at first " expander roll locking " button on the display screen is in the position of " unclamping "; Show that circular hole part and lockhole on each gang form and the ladder bar sleiding form are in relative position this moment; On each template and ladder bar, insert the expander roll (45) of respective numbers then according to the hole count of heat exchanger, at this moment " the expander roll locking " on the crawl control panel again be fixed on locking cylinder action on each gang form and the ladder bar; Driving the sleiding form that is connected separately slides; Let the minimum part of diameter of expander roll as shown in Figure 9 (45) slide among the flat hole by passing slide plate circular hole shown in accompanying drawing 3, because the width basically identical in flat hole on expander roll (45) shaft minimum diameter and the slide plate, and then it is locked effectively with one heart to have realized that expander roll (45) moves up and down;
Cylinder used in the present invention is the magnetic cylinder, all has magnetic switch on each magnetic cylinder, so the action of all cylinders all controls its operation by PLC through air operated reversing valve, and shows the duty and the concrete operations of cylinder through control panel.
Technique effect
Technical process of the present invention is simple, and is easy to operate, and production efficiency is high, safety, reliable.
Description of drawings
Fig. 1 is a front view of the present invention.
Fig. 2 is a left view of the present invention
Fig. 3 is a upward view of the present invention.
Fig. 4 is the zoomed-in view of the partial structurtes of the sleiding form in the gang form of the present invention.
Fig. 5 is the partial sectional view of gang form of the present invention.
Fig. 6 is the zoomed-in view of the partial structurtes of the jam plate in the gang form of the present invention.
Fig. 7 is the zoomed-in view of the partial structurtes of ladder bar one of the present invention or ladder bar two.
Fig. 8 looks and vertical view for the master of ladder bar one of the present invention or ladder bar two.
Fig. 9 is the zoomed-in view of expander roll outline drawing of the present invention and partial structurtes.
Figure 10 is the cutaway view at expander roll off-centre operation of the present invention place.
The specific embodiment
Process portion of the present invention can be carried out respectively as follows:
(A) no ladder expand tube;
(B) two rows go up the ladder expand tube;
(C) three rows go up the ladder expand tube;
(D) downstairs expand tube.
For (A) no ladder expand tube:
In the capacity of equipment scope, no matter expand and make the product of several rounds; All need ladder bar one (11), ladder bar two (12) be risen to limes superiors, but so that moving platen is that ladder bar one (11) and ladder bar two (12) are that gang form one (17) and gang form two (22) are fixed on the same installation horizontal plane of plate supporting frame (1) jointly with fixed form; For traditional last staged electric tube expander; This process all is to be climbed to by the operator to lean on artificial mode to realize on the equipment usually, and the present invention only needs " ladder bar one rises " and " ladder bar two rises " that control on the screen on operator's crawl control panel to realize automatically.
The up-down power of said ladder bar one (11) and ladder bar two (12) comes from ladder bar one lift cylinder (5) and ladder bar two lift cylinders (6); Said axle one (16), axle two (15) and linear bearing (8) are that the up-down of ladder bar one (11) and ladder bar two (12) provides guiding; After said ladder bar one (11), ladder bar two (12) rise to limes superiors; " one locking of ladder bar " on the crawl control panel and " two lockings of ladder bar "; Then be positioned at two twin-stage cylinders (18) action of plate supporting frame (1) left and right sides; Two dead bolts (21) of being installed in respectively in two lock dog seats (19) groove are stretched out with the piston rod of two twin-stage cylinders (18), thereby ladder bar one (11) and ladder bar two (12) automatically are locked on the same installation horizontal plane with gang form one (17) and gang form two (22).
The present invention is for the heat exchanger (seeing Fig. 1, Fig. 2, Fig. 3) of the no ladder of system that expands; (the adjustment principle that is less than four rows is identical substantially when making the heat exchanger more than four rounds when expanding; The descriptions thereof are omitted at this); Should confirm earlier that at first " expander roll locking " button on the display screen is in the position of " unclamping "; Hole count according to heat exchanger goes up the expander roll (45) that inserts respective numbers at gang form one (17), gang form two (22), ladder bar one (11) and ladder bar two (12) then; " expander roll locking " on the crawl control panel then; At this moment be fixed on two rod locking cylinders (3) on the gang form one (17), be fixed on finger type locking cylinder one (23) on the gang form two (22), be fixed on the finger type locking cylinder two (35) on the ladder bar one (11) and be fixed on finger type locking cylinder three (36) actions on the ladder bar two (12); Driving gang form one sleiding form (27), gang form two sleiding forms (28), ladder bar one sleiding form (29) and ladder bar two sleiding forms (30) slides; Let the minimum part of diameter of expander roll as shown in Figure 9 (45) slide among the flat hole via passing slide plate circular hole shown in accompanying drawing 3; Because the width basically identical in flat hole on expander roll (45) shaft minimum diameter and the slide plate, and then it is effectively locked to have realized that expander roll (45) moves up and down by with one heart.
Go up the ladder expand tube for (B) two rows:
The present invention goes up the heat exchanger (seeing Fig. 1, Fig. 2, Fig. 3) of ladder for the system of expanding two rows; Should confirm earlier that at first " expander roll locking " button on the display screen is in the position of " unclamping "; Hole count according to heat exchanger goes up the expander roll (45) that inserts respective numbers at gang form two (22) and ladder bar two (12) then; " expander roll locking " on the crawl control panel then; At this moment be fixed on the finger type locking cylinder one (23) on the gang form two (22) and be fixed on finger type locking cylinder three (36) actions on the ladder bar two (12); Drive gang form two sleiding forms (28) and ladder bar two sleiding forms (30) and move, thus expander roll (45) is locked with one heart; On the basis of no ladder expand tube; " two lockings of ladder bar are unclamped " on the crawl control panel; Then be positioned at two twin-stage cylinders (18) action of plate supporting frame (1) left and right sides, be installed in the piston rod withdrawal one-level of interior two dead bolts (21) of two lock dog seats (19) groove respectively, like 25mm with two twin-stage cylinders (18); Thereby make two twin-stage cylinders (18) only lock ladder bar one (11), and with the lockout of ladder bar two (12); The up-down power of said ladder bar two (12) comes from ladder bar two lift cylinders (6); Said axle one (16) and linear bearing (8) provide guiding for the up-down of ladder bar two (12); Said upper locking nut (9) and lower locking nut (10) provide restriction for the two ladder difference of gang form two (22) and ladder bar two (12), and promptly making the ladder difference assurance of the two through the position of adjusting lower locking nut is the ladder difference that sets in advance; " ladder bar two descends " on the crawl control panel, said ladder bar two (12) just can accurately rest on the ladder position that needs under axle one (16), upper locking nut (9), lower locking nut (10) and linear bearing (8) restriction.
Go up the ladder expand tube for (C) three rows:
The present invention goes up the heat exchanger (seeing Fig. 1, Fig. 2, Fig. 3) of ladder for the system of expanding three rows; Should confirm earlier that at first " expander roll locking " button on the display screen is in the position of " unclamping "; Hole count according to heat exchanger goes up the expander roll (45) that inserts respective numbers at gang form two (22), ladder bar one (11) and ladder bar two (12) then; " expander roll locking " on the crawl control panel then; At this moment be fixed on finger type locking cylinder one (23) on the gang form two (22), be fixed on the finger type locking cylinder two (35) on the ladder bar one (11) and be fixed on finger type locking cylinder three (36) actions on the ladder bar two (12), it is locked with expander roll (45) to drive gang form two sleiding forms (28), ladder bar one sleiding form (29) and ladder bar two sleiding forms (30); On the basis of no ladder expand tube; " one locking of ladder bar is unclamped " on the crawl control panel and " two lockings of ladder bar are unclamped "; Then be positioned at two twin-stage cylinders (18) action of plate supporting frame (1) left and right sides; Be installed in the piston rod withdrawal two-stage of interior two dead bolts (21) of two lock dog seats (19) groove respectively,, thereby make the lockout of two twin-stage cylinders (18) ladder bar one (11) and ladder bar two (12) like 25mm+25mm with two twin-stage cylinders (18); The up-down power of said ladder bar one (11) and ladder bar two (12) comes from ladder bar one lift cylinder (5) and ladder bar two lift cylinders (6); Said axle one (16), axle two (15) and linear bearing (8) are that the up-down of ladder bar one (11) and ladder bar two (12) provides guiding; Said upper locking nut (9) and lower locking nut (10) provide restriction for gang form two (22), ladder bar one (11) and ladder bar two (12) threes' ladder difference; Usually go up the position of lower locking nut through adjustment, it is that the first ladder difference and second ladder are poor that the ladder difference is not guaranteed; " ladder bar one descends " on the crawl control panel and " ladder bar two descends ", said ladder bar can accurately rest on the ladder position that needs once (11) and ladder bar two (12) under axle one (16), axle two (15), upper locking nut (9), lower locking nut (10) and linear bearing (8) restriction.
For (D) downstairs expand tube:
The present invention also is applicable to the heat exchanger (seeing Fig. 1, Fig. 2, Fig. 3) of the system downstairs that expands; The mode of concrete adjustment can be consulted said no ladder expand tube, different just needing change the expander roll of different length and on the recipient template, corresponding recipient backing plate be installed according to needed ladder quantity and ladder difference height.
Claims (1)
1. an electric tube expander is with ladder bar and expander roll locking device; This kind forced locking device is provided with gang form one (17), gang form two (22), ladder bar one (11) and ladder bar two (12); Each gang form or ladder bar are formed by separately blind plate, orifice plate, jam plate, lock ring, rubber spring, sleiding form, frid; Each template or the top-down assemble sequence of ladder bar are: blind plate, orifice plate, jam plate, sleiding form, frid, lock ring and rubber spring are installed between orifice plate and the jam plate; Sleiding form is installed in the groove of frid; Each gang form or ladder the bar fixture through separately respectively are fixed on the plate supporting frame; It is characterized in that this species stage bar and expander roll locking device also comprise concentric control system, ladder bar automatic lifting system and the ladder bar auto lock system of locking of expander roll that each gang form or ladder bar all are equipped with the magnetic locking cylinder that relies on PLC control and are connected with separately sleiding form, wherein:
The concentric control system that locks of expander roll that described magnetic locking cylinder is connected with separately sleiding form is meant: gang form one (17) is provided with two rod locking cylinders (3); The foot rest of two rod locking cylinders (3) is fixing through base plate (4) and plate supporting frame (1), is connected with the sleiding form (28) of gang form one (17) through two contiguous blocks (2) that are fixed on its both sides piston rod; Gang form two (22) is equipped with finger type locking cylinder one (23); Finger type locking cylinder one (23) is fixed on the gang form two (22) through gang form two supports one (24), and its piston rod directly is connected with gang form two sleiding forms (28); Ladder bar one (11) is equipped with finger type locking cylinder two (35); Finger type locking cylinder two (35) is installed on the ladder bar one (11) through ladder bar one support two (33) two, and its piston rod is connected with ladder bar one sleiding form (29) through ladder bar one contiguous block one (31); Ladder bar two (12) is equipped with finger type locking cylinder three (36); Finger type locking cylinder three (36) is installed on the ladder bar two (12) through ladder bar two supports three (34), and its piston rod is connected with ladder bar two sleiding forms (30) through ladder bar two contiguous blocks two (32); Finger type locking cylinder one (23), refer to type locking cylinder two (35), refer to that the gas circuit of type locking cylinder three (36) is connected with branching block;
Described ladder bar automatic lifting system is meant: the jacking system of ladder bar one (11) is made up of axle one (16), linear bearing (8), upper locking nut (9), lower locking nut (10), connecting rod one (13) and ladder bar one (11) lift cylinder (5); Wherein the axle one (16) of both sides penetrates the linear bearing (8) that is fixed in plate supporting frame (1); The two ends of axle one (16) are fixed with upper locking nut (9) and lower locking nut (10) respectively; Said two connecting rods one (13) pass ladder bar one (11); One end is fixed by nut; The other end is connected with the piston rod of two ladder bars, one (11) lift cylinder (5), and said two ladder bars, one (11) lift cylinder (5) is fixed on the plate supporting frame (1) by end thread; The jacking system of ladder bar two (12) is made up of axle two (15), linear bearing (8), upper locking nut (9), lower locking nut (10), connecting rod two (14) and ladder bar two (12) lift cylinders (6); Wherein the axle two (15) of both sides penetrates the linear bearing (8) that is fixed in plate supporting frame (1); The two ends of axle two (15) are fixed with upper locking nut (9) and lower locking nut (10) respectively; Two connecting rods two (14) pass ladder bar two (12); One end is fixed by nut, and the other end is connected with the piston rod of two ladder bars, two (12) lift cylinders (6), and said two ladder bars, two (12) lift cylinders (6) are fixed on the plate supporting frame (1) by end thread;
Described ladder bar auto lock system is meant: the system that is used to lock ladder bar one (11) and ladder bar two (12) is made up of lock dog seat (19), lock dog cover plate (20), dead bolt (21) and twin-stage cylinder (18) respectively; Wherein two lock dog seats (19) are installed in the left and right sides of plate supporting frame (1) respectively; Two lock dog cover plates (20) are installed in respectively on two lock dog seats (19); Two dead bolts (21) are installed in respectively in the groove of two lock dog seats (19), and the piston rod of two twin-stage cylinders (18) is connected with interior two dead bolts (21) of two lock dog seats (19) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210337482.0A CN102825151B (en) | 2012-09-12 | 2012-09-12 | Ladder strip and expanding rod automatic locking device for pipe expander |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210337482.0A CN102825151B (en) | 2012-09-12 | 2012-09-12 | Ladder strip and expanding rod automatic locking device for pipe expander |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102825151A true CN102825151A (en) | 2012-12-19 |
| CN102825151B CN102825151B (en) | 2014-06-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210337482.0A Active CN102825151B (en) | 2012-09-12 | 2012-09-12 | Ladder strip and expanding rod automatic locking device for pipe expander |
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| Country | Link |
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| CN (1) | CN102825151B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106903556A (en) * | 2017-03-28 | 2017-06-30 | 珠海格力智能装备技术研究院有限公司 | Expansion rod hanging mechanism and air conditioner processing device with same |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0490130U (en) * | 1990-12-14 | 1992-08-06 | ||
| US5220722A (en) * | 1991-12-09 | 1993-06-22 | Burr Oak Tool & Gauge Company | Quick height change adjustment for tube expander |
| US6176006B1 (en) * | 1999-09-21 | 2001-01-23 | Burr Oak Tool And Gauge Company, Inc. | Rod lock and unlock mechanism for a mechanical tube expander |
| CN201168747Y (en) * | 2008-01-10 | 2008-12-24 | 中山市奥美森工业有限公司 | Vertical rod expander capable of automatically selecting row number of expansion rods |
| CN201446201U (en) * | 2009-08-21 | 2010-05-05 | 广东美的电器股份有限公司 | Secondary pipe-expanding device of heat exchanger |
| CN202894102U (en) * | 2012-09-12 | 2013-04-24 | 辽宁省机械研究院有限公司 | Ladder strip and expanding rod automatic locking device for pipe expander |
-
2012
- 2012-09-12 CN CN201210337482.0A patent/CN102825151B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0490130U (en) * | 1990-12-14 | 1992-08-06 | ||
| US5220722A (en) * | 1991-12-09 | 1993-06-22 | Burr Oak Tool & Gauge Company | Quick height change adjustment for tube expander |
| US6176006B1 (en) * | 1999-09-21 | 2001-01-23 | Burr Oak Tool And Gauge Company, Inc. | Rod lock and unlock mechanism for a mechanical tube expander |
| CN201168747Y (en) * | 2008-01-10 | 2008-12-24 | 中山市奥美森工业有限公司 | Vertical rod expander capable of automatically selecting row number of expansion rods |
| CN201446201U (en) * | 2009-08-21 | 2010-05-05 | 广东美的电器股份有限公司 | Secondary pipe-expanding device of heat exchanger |
| CN202894102U (en) * | 2012-09-12 | 2013-04-24 | 辽宁省机械研究院有限公司 | Ladder strip and expanding rod automatic locking device for pipe expander |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106903556A (en) * | 2017-03-28 | 2017-06-30 | 珠海格力智能装备技术研究院有限公司 | Expansion rod hanging mechanism and air conditioner processing device with same |
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| Publication number | Publication date |
|---|---|
| CN102825151B (en) | 2014-06-25 |
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